Telling Travis to use the correct version of cabal.

recursion-ninja · recursion-ninja · commit 0886fe33a84c · 2019-01-29T13:43:54.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,11 @@ language: haskell
 
 dist: xenial
 
+addons:
+  apt:
+    packages:
+      - cabal-install-2.2
+
 ghc:
   - "8.6.3"
   - "8.4.4"
diff --git a/mono-traversable-keys.cabal b/mono-traversable-keys.cabal
@@ -20,8 +20,8 @@ description:
   containers enhanced by the @mono-trversable@ package.
 
 extra-source-files:
-    README.md
-    CHANGELOG.md
+  README.md
+  CHANGELOG.md
 
 source-repository head
   type: git
@@ -98,4 +98,3 @@ library
 
   hs-source-dirs:
       src
-
